When Tilly learns that the monsoon rains in India are late and the tigers in a local sanctuary have disappeared searching for water, Tilly is worried. The sanctuary is surrounded by busy roads and cities. It's not safe for tigers. She decides that this is a job for The Adventure Club. She gathers the team - Julia, Steve, Leo and Anita - and they travel to India in search of the tigers. At the sanctuary Tilly encounters elephants, antelopes and crocodiles, but where are the tigers?